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| author |   edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-11 14:28:14 +0000 |
|---|---|---|
| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-11 14:28:14 +0000 |
| commit | 44cd42ee4082813cc4b45117bbb6156920957e47 (patch) | |
| tree | 631debf76b3fa1205ad50ef1e4ae268ce236de84 /target-cris/cpu.h | |
| parent | Add zero extension (pseudo-)ops. (diff) | |
| download | qemu-kvm-44cd42ee4082813cc4b45117bbb6156920957e47.tar.gz qemu-kvm-44cd42ee4082813cc4b45117bbb6156920957e47.tar.bz2 qemu-kvm-44cd42ee4082813cc4b45117bbb6156920957e47.zip | |
CRIS: Add support for the pseudo randomized set that the mmu provides with TLB refill faults. This makes linux guests use the four way TLB set associativty.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4425 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-cris/cpu.h')
| -rw-r--r-- | target-cris/cpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target-cris/cpu.h b/target-cris/cpu.h index 49de8302b..845926ded 100644 --- a/target-cris/cpu.h +++ b/target-cris/cpu.h @@ -153,6 +153,11 @@ typedef struct CPUCRISState { */ uint32_t sregs[4][16]; + /* Linear feedback shift reg in the mmu. Used to provide pseudo + randomness for the 'hint' the mmu gives to sw for chosing valid + sets on TLB refills. */ + uint32_t mmu_rand_lfsr; + /* * We just store the stores to the tlbset here for later evaluation * when the hw needs access to them. |